var i=0; for (i=0;i<arr.length;i++){ alert('Hello,'+arr[i]+'!'); }
while (i){ i--; alert('Hello,'+arr[i]+'!'); }
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Moecy
var i=0; for (i=0;i<arr.length;i++){ alert('Hello,'+arr[i]+'!'); }
while (i){ i--; alert('Hello,'+arr[i]+'!'); }